4721808 has 160 divisors (see below), whose sum is σ = 15998976. Its totient is φ = 1165824.

The previous prime is 4721791. The next prime is 4721813. The reversal of 4721808 is 8081274.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 100441 + ... + 100487.

Almost surely, 2^4721808 is an apocalyptic number.

4721808 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4721808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7999488).

4721808 is an abundant number, since it is smaller than the sum of its proper divisors (11277168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4721808 is a wasteful number, since it uses less digits than its factorization.

4721808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101 (or 95 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 4721808 is about 2172.9721581281. The cubic root of 4721808 is about 167.7655459735.

The spelling of 4721808 in words is "four million, seven hundred twenty-one thousand, eight hundred eight".